Alaska earthquakes

M2.7 earthquake 168 km S of False Pass, Alaska

A magnitude 2.7 earthquake struck 168 km S of False Pass, Alaska on Tue, Jan 31, 2023, 6:40 PM AKST (03:40 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M4.3 145 km S of False Pass, Alaska. This one was a foreshock.

Akutan forecast More in Alaska

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 2.7 (ml), micro
Local time: Tue, Jan 31, 2023, 6:40 PM AKST
UTC: 2023-02-01 03:40:01 UTC
Depth: 35.0 km (21.7 mi), shallow
Epicenter: 53.337° N, 163.399° W
Region: Alaska
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 6.3 km horizontally, 2.0 km in depth
Magnitude uncertainty: ±0.15
Depth from: Operator assigned
Station coverage gap: 265°, poorly surrounded by stations
Stations used: 15

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Akutan, AlaskaPopulation 1,040. Forecast180 kmESE

Nearby

Within 100 km, magnitude 1.5 and up: 71 in the 60 days after this one and 92 in the 30 days before it.

After

The first 60 of 71.

Before

Earthquakes today Alaska earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000jn69 (also filed as ak0231gz7zc0). Read Sun, Sep 27, 2026, 3:12 PM UTC.